| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| using System.IO; |
| using System.Collections; |
| |
| using Lucene.Net.Analysis; |
| using Lucene.Net.Util; |
| |
| namespace Lucene.Net.Analysis.AR |
| { |
| |
| /* |
| * Tokenizer that breaks text into runs of letters and diacritics. |
| * <p> |
| * The problem with the standard Letter tokenizer is that it fails on diacritics. |
| * Handling similar to this is necessary for Indic Scripts, Hebrew, Thaana, etc. |
| * </p> |
| * |
| */ |
| public class ArabicLetterTokenizer : LetterTokenizer |
| { |
| |
| public ArabicLetterTokenizer(TextReader @in): base(@in) |
| { |
| |
| } |
| |
| public ArabicLetterTokenizer(AttributeSource source, TextReader @in) : base(source, @in) |
| { |
| |
| } |
| |
| public ArabicLetterTokenizer(AttributeFactory factory, TextReader @in) : base(factory, @in) |
| { |
| |
| } |
| |
| /* |
| * Allows for Letter category or NonspacingMark category |
| * <see cref="LetterTokenizer.IsTokenChar(char)"/> |
| */ |
| protected override bool IsTokenChar(char c) |
| { |
| return base.IsTokenChar(c) || char.GetUnicodeCategory(c)==System.Globalization.UnicodeCategory.NonSpacingMark ; |
| } |
| |
| } |
| } |
